package Day03;

public class IfElseDemo {
    public static void main(String[] args) {
       double price =500;
        if (price >= 400){
            price *= 0.8;
        }else {
            price *= 0.9;
        }
        System.out.println("最终结算价格为"+price);


        double score = 95;//（95.-100，555）
        if (score >= 0 && score <= 100) {
            System.out.println(score + "成绩合法");
        }else{
            System.out.println(score + "成绩是不合法");
        }


    }
}
